> > > >>> I'd appreciate it if someone could verify that this will run the > > > >>> master daemon with PID 1, and that 'postfix stop' in the container > > > >>> will stop the master daemon. If it doesn't, then Linux does weird > > > >>> stuff with PID 1 processes.
Correct. The Linux kernel doesn't allow you to send a signal to pid 1 that would cause its termination. pid 1 is normally the init process, and terminating it essentially renders the system useless.